author | xuelei |
Sat, 24 Nov 2012 04:09:19 -0800 | |
changeset 14664 | e71aa0962e70 |
parent 14229 | 40fbffe104bd |
child 14675 | 17224d0282f1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.ssl; |
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import java.io.*; |
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import java.util.*; |
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import java.security.*; |
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import java.security.NoSuchAlgorithmException; |
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import java.security.AccessController; |
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import java.security.AlgorithmConstraints; |
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import java.security.AccessControlContext; |
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import java.security.PrivilegedExceptionAction; |
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import java.security.PrivilegedActionException; |
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import javax.crypto.*; |
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import javax.crypto.spec.*; |
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import javax.net.ssl.*; |
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import sun.misc.HexDumpEncoder; |
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import sun.security.internal.spec.*; |
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import sun.security.internal.interfaces.TlsMasterSecret; |
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import sun.security.ssl.HandshakeMessage.*; |
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import sun.security.ssl.CipherSuite.*; |
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import static sun.security.ssl.CipherSuite.PRF.*; |
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/** |
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* Handshaker ... processes handshake records from an SSL V3.0 |
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* data stream, handling all the details of the handshake protocol. |
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* |
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* Note that the real protocol work is done in two subclasses, the base |
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* class just provides the control flow and key generation framework. |
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* |
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* @author David Brownell |
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*/ |
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abstract class Handshaker { |
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// protocol version being established using this Handshaker |
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ProtocolVersion protocolVersion; |
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// the currently active protocol version during a renegotiation |
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ProtocolVersion activeProtocolVersion; |
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// security parameters for secure renegotiation. |
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boolean secureRenegotiation; |
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byte[] clientVerifyData; |
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byte[] serverVerifyData; |
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// Is it an initial negotiation or a renegotiation? |
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boolean isInitialHandshake; |
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// List of enabled protocols |
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private ProtocolList enabledProtocols; |
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// List of enabled CipherSuites |
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private CipherSuiteList enabledCipherSuites; |
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// The endpoint identification protocol |
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String identificationProtocol; |
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// The cryptographic algorithm constraints |
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private AlgorithmConstraints algorithmConstraints = null; |
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// Local supported signature and algorithms |
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Collection<SignatureAndHashAlgorithm> localSupportedSignAlgs; |
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// Peer supported signature and algorithms |
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Collection<SignatureAndHashAlgorithm> peerSupportedSignAlgs; |
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/* |
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/* |
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* List of active protocols |
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* |
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* Active protocols is a subset of enabled protocols, and will |
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* contain only those protocols that have vaild cipher suites |
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* enabled. |
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*/ |
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private ProtocolList activeProtocols; |
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/* |
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* List of active cipher suites |
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* |
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* Active cipher suites is a subset of enabled cipher suites, and will |
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* contain only those cipher suites available for the active protocols. |
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*/ |
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private CipherSuiteList activeCipherSuites; |
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// The server name indication and matchers |
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List<SNIServerName> serverNames = |
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Collections.<SNIServerName>emptyList(); |
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Collection<SNIMatcher> sniMatchers = |
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Collections.<SNIMatcher>emptyList(); |
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private boolean isClient; |
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private boolean needCertVerify; |
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SSLSocketImpl conn = null; |
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SSLEngineImpl engine = null; |
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HandshakeHash handshakeHash; |
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HandshakeInStream input; |
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HandshakeOutStream output; |
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int state; |
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SSLContextImpl sslContext; |
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RandomCookie clnt_random, svr_random; |
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SSLSessionImpl session; |
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// current CipherSuite. Never null, initially SSL_NULL_WITH_NULL_NULL |
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CipherSuite cipherSuite; |
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// current key exchange. Never null, initially K_NULL |
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KeyExchange keyExchange; |
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/* True if this session is being resumed (fast handshake) */ |
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boolean resumingSession; |
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/* True if it's OK to start a new SSL session */ |
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boolean enableNewSession; |
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// Temporary storage for the individual keys. Set by |
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// calculateConnectionKeys() and cleared once the ciphers are |
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// activated. |
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private SecretKey clntWriteKey, svrWriteKey; |
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private IvParameterSpec clntWriteIV, svrWriteIV; |
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private SecretKey clntMacSecret, svrMacSecret; |
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/* |
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* Delegated task subsystem data structures. |
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* |
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* If thrown is set, we need to propagate this back immediately |
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* on entry into processMessage(). |
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* |
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* Data is protected by the SSLEngine.this lock. |
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*/ |
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private volatile boolean taskDelegated = false; |
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private volatile DelegatedTask<?> delegatedTask = null; |
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private volatile Exception thrown = null; |
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// Could probably use a java.util.concurrent.atomic.AtomicReference |
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// here instead of using this lock. Consider changing. |
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private Object thrownLock = new Object(); |
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/* Class and subclass dynamic debugging support */ |
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static final Debug debug = Debug.getInstance("ssl"); |
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// By default, disable the unsafe legacy session renegotiation |
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static final boolean allowUnsafeRenegotiation = Debug.getBooleanProperty( |
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"sun.security.ssl.allowUnsafeRenegotiation", false); |
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// For maximum interoperability and backward compatibility, RFC 5746 |
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// allows server (or client) to accept ClientHello (or ServerHello) |
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// message without the secure renegotiation_info extension or SCSV. |
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// |
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// For maximum security, RFC 5746 also allows server (or client) to |
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// reject such message with a fatal "handshake_failure" alert. |
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// |
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// By default, allow such legacy hello messages. |
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static final boolean allowLegacyHelloMessages = Debug.getBooleanProperty( |
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"sun.security.ssl.allowLegacyHelloMessages", true); |
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// need to dispose the object when it is invalidated |
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boolean invalidated; |
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Handshaker(SSLSocketImpl c, SSLContextImpl context, |
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ProtocolList enabledProtocols, boolean needCertVerify, |
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boolean isClient, ProtocolVersion activeProtocolVersion, |
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boolean isInitialHandshake, boolean secureRenegotiation, |
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byte[] clientVerifyData, byte[] serverVerifyData) { |
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this.conn = c; |
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init(context, enabledProtocols, needCertVerify, isClient, |
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activeProtocolVersion, isInitialHandshake, secureRenegotiation, |
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clientVerifyData, serverVerifyData); |
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} |
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Handshaker(SSLEngineImpl engine, SSLContextImpl context, |
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ProtocolList enabledProtocols, boolean needCertVerify, |
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boolean isClient, ProtocolVersion activeProtocolVersion, |
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boolean isInitialHandshake, boolean secureRenegotiation, |
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byte[] clientVerifyData, byte[] serverVerifyData) { |
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this.engine = engine; |
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init(context, enabledProtocols, needCertVerify, isClient, |
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activeProtocolVersion, isInitialHandshake, secureRenegotiation, |
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clientVerifyData, serverVerifyData); |
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} |
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private void init(SSLContextImpl context, ProtocolList enabledProtocols, |
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boolean needCertVerify, boolean isClient, |
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ProtocolVersion activeProtocolVersion, |
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boolean isInitialHandshake, boolean secureRenegotiation, |
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byte[] clientVerifyData, byte[] serverVerifyData) { |
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if (debug != null && Debug.isOn("handshake")) { |
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System.out.println( |
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"Allow unsafe renegotiation: " + allowUnsafeRenegotiation + |
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"\nAllow legacy hello messages: " + allowLegacyHelloMessages + |
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"\nIs initial handshake: " + isInitialHandshake + |
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"\nIs secure renegotiation: " + secureRenegotiation); |
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} |
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this.sslContext = context; |
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this.isClient = isClient; |
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this.needCertVerify = needCertVerify; |
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this.activeProtocolVersion = activeProtocolVersion; |
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this.isInitialHandshake = isInitialHandshake; |
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this.secureRenegotiation = secureRenegotiation; |
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this.clientVerifyData = clientVerifyData; |
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this.serverVerifyData = serverVerifyData; |
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enableNewSession = true; |
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invalidated = false; |
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setCipherSuite(CipherSuite.C_NULL); |
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setEnabledProtocols(enabledProtocols); |
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if (conn != null) { |
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algorithmConstraints = new SSLAlgorithmConstraints(conn, true); |
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} else { // engine != null |
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algorithmConstraints = new SSLAlgorithmConstraints(engine, true); |
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} |
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// |
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// In addition to the connection state machine, controlling |
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// how the connection deals with the different sorts of records |
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// that get sent (notably handshake transitions!), there's |
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// also a handshaking state machine that controls message |
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// sequencing. |
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// |
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// It's a convenient artifact of the protocol that this can, |
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// with only a couple of minor exceptions, be driven by the |
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// type constant for the last message seen: except for the |
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// client's cert verify, those constants are in a convenient |
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// order to drastically simplify state machine checking. |
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// |
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state = -2; // initialized but not activated |
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} |
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/* |
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* Reroutes calls to the SSLSocket or SSLEngine (*SE). |
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* |
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* We could have also done it by extra classes |
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* and letting them override, but this seemed much |
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* less involved. |
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*/ |
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void fatalSE(byte b, String diagnostic) throws IOException { |
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fatalSE(b, diagnostic, null); |
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} |
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void fatalSE(byte b, Throwable cause) throws IOException { |
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fatalSE(b, null, cause); |
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} |
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void fatalSE(byte b, String diagnostic, Throwable cause) |
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throws IOException { |
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if (conn != null) { |
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conn.fatal(b, diagnostic, cause); |
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} else { |
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engine.fatal(b, diagnostic, cause); |
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} |
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} |
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void warningSE(byte b) { |
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if (conn != null) { |
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conn.warning(b); |
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} else { |
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engine.warning(b); |
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} |
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} |
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// ONLY used by ClientHandshaker to setup the peer host in SSLSession. |
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String getHostSE() { |
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if (conn != null) { |
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return conn.getHost(); |
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} else { |
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return engine.getPeerHost(); |
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} |
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} |
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// ONLY used by ServerHandshaker to setup the peer host in SSLSession. |
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String getHostAddressSE() { |
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if (conn != null) { |
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return conn.getInetAddress().getHostAddress(); |
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} else { |
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/* |
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* This is for caching only, doesn't matter that's is really |
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* a hostname. The main thing is that it doesn't do |
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* a reverse DNS lookup, potentially slowing things down. |
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*/ |
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return engine.getPeerHost(); |
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} |
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} |
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boolean isLoopbackSE() { |
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if (conn != null) { |
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return conn.getInetAddress().isLoopbackAddress(); |
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} else { |
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return false; |
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} |
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} |
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int getPortSE() { |
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if (conn != null) { |
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return conn.getPort(); |
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} else { |
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return engine.getPeerPort(); |
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} |
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} |
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int getLocalPortSE() { |
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if (conn != null) { |
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return conn.getLocalPort(); |
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} else { |
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return -1; |
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} |
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} |
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AccessControlContext getAccSE() { |
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if (conn != null) { |
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return conn.getAcc(); |
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} else { |
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return engine.getAcc(); |
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} |
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} |
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private void setVersionSE(ProtocolVersion protocolVersion) { |
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if (conn != null) { |
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conn.setVersion(protocolVersion); |
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} else { |
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engine.setVersion(protocolVersion); |
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} |
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} |
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/** |
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* Set the active protocol version and propagate it to the SSLSocket |
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* and our handshake streams. Called from ClientHandshaker |
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* and ServerHandshaker with the negotiated protocol version. |
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*/ |
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void setVersion(ProtocolVersion protocolVersion) { |
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this.protocolVersion = protocolVersion; |
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setVersionSE(protocolVersion); |
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output.r.setVersion(protocolVersion); |
369 |
} |
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/** |
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372 |
* Set the enabled protocols. Called from the constructor or |
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* SSLSocketImpl/SSLEngineImpl.setEnabledProtocols() (if the |
374 |
* handshake is not yet in progress). |
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2 | 375 |
*/ |
376 |
void setEnabledProtocols(ProtocolList enabledProtocols) { |
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activeCipherSuites = null; |
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activeProtocols = null; |
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379 |
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2 | 380 |
this.enabledProtocols = enabledProtocols; |
7039 | 381 |
} |
382 |
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/** |
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384 |
* Set the enabled cipher suites. Called from |
|
385 |
* SSLSocketImpl/SSLEngineImpl.setEnabledCipherSuites() (if the |
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* handshake is not yet in progress). |
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*/ |
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388 |
void setEnabledCipherSuites(CipherSuiteList enabledCipherSuites) { |
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activeCipherSuites = null; |
|
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activeProtocols = null; |
|
391 |
this.enabledCipherSuites = enabledCipherSuites; |
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392 |
} |
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/** |
395 |
* Set the algorithm constraints. Called from the constructor or |
|
396 |
* SSLSocketImpl/SSLEngineImpl.setAlgorithmConstraints() (if the |
|
397 |
* handshake is not yet in progress). |
|
398 |
*/ |
|
399 |
void setAlgorithmConstraints(AlgorithmConstraints algorithmConstraints) { |
|
400 |
activeCipherSuites = null; |
|
401 |
activeProtocols = null; |
|
402 |
||
403 |
this.algorithmConstraints = |
|
404 |
new SSLAlgorithmConstraints(algorithmConstraints); |
|
405 |
this.localSupportedSignAlgs = null; |
|
406 |
} |
|
407 |
||
408 |
Collection<SignatureAndHashAlgorithm> getLocalSupportedSignAlgs() { |
|
409 |
if (localSupportedSignAlgs == null) { |
|
410 |
localSupportedSignAlgs = |
|
411 |
SignatureAndHashAlgorithm.getSupportedAlgorithms( |
|
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algorithmConstraints); |
|
413 |
} |
|
414 |
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415 |
return localSupportedSignAlgs; |
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416 |
} |
|
417 |
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418 |
void setPeerSupportedSignAlgs( |
|
419 |
Collection<SignatureAndHashAlgorithm> algorithms) { |
|
420 |
peerSupportedSignAlgs = |
|
421 |
new ArrayList<SignatureAndHashAlgorithm>(algorithms); |
|
422 |
} |
|
423 |
||
424 |
Collection<SignatureAndHashAlgorithm> getPeerSupportedSignAlgs() { |
|
425 |
return peerSupportedSignAlgs; |
|
426 |
} |
|
427 |
||
428 |
||
429 |
/** |
|
430 |
* Set the identification protocol. Called from the constructor or |
|
431 |
* SSLSocketImpl/SSLEngineImpl.setIdentificationProtocol() (if the |
|
432 |
* handshake is not yet in progress). |
|
433 |
*/ |
|
434 |
void setIdentificationProtocol(String protocol) { |
|
435 |
this.identificationProtocol = protocol; |
|
436 |
} |
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7039 | 437 |
|
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/** |
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* Sets the server name indication of the handshake. |
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*/ |
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void setSNIServerNames(List<SNIServerName> serverNames) { |
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// The serverNames parameter is unmodifiable. |
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this.serverNames = serverNames; |
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} |
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|
445 |
|
971f46db533d
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diff
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|
446 |
/** |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
447 |
* Sets the server name matchers of the handshaking. |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
448 |
*/ |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
449 |
void setSNIMatchers(Collection<SNIMatcher> sniMatchers) { |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
450 |
// The sniMatchers parameter is unmodifiable. |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
451 |
this.sniMatchers = sniMatchers; |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
452 |
} |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
453 |
|
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
454 |
/** |
7039 | 455 |
* Prior to handshaking, activate the handshake and initialize the version, |
456 |
* input stream and output stream. |
|
457 |
*/ |
|
458 |
void activate(ProtocolVersion helloVersion) throws IOException { |
|
459 |
if (activeProtocols == null) { |
|
460 |
activeProtocols = getActiveProtocols(); |
|
461 |
} |
|
462 |
||
463 |
if (activeProtocols.collection().isEmpty() || |
|
464 |
activeProtocols.max.v == ProtocolVersion.NONE.v) { |
|
465 |
throw new SSLHandshakeException("No appropriate protocol"); |
|
466 |
} |
|
467 |
||
468 |
if (activeCipherSuites == null) { |
|
469 |
activeCipherSuites = getActiveCipherSuites(); |
|
470 |
} |
|
471 |
||
472 |
if (activeCipherSuites.collection().isEmpty()) { |
|
473 |
throw new SSLHandshakeException("No appropriate cipher suite"); |
|
474 |
} |
|
2 | 475 |
|
476 |
// temporary protocol version until the actual protocol version |
|
477 |
// is negotiated in the Hello exchange. This affects the record |
|
7039 | 478 |
// version we sent with the ClientHello. |
479 |
if (!isInitialHandshake) { |
|
480 |
protocolVersion = activeProtocolVersion; |
|
481 |
} else { |
|
482 |
protocolVersion = activeProtocols.max; |
|
483 |
} |
|
2 | 484 |
|
7039 | 485 |
if (helloVersion == null || helloVersion.v == ProtocolVersion.NONE.v) { |
486 |
helloVersion = activeProtocols.helloVersion; |
|
487 |
} |
|
2 | 488 |
|
7043 | 489 |
// We accumulate digests of the handshake messages so that |
490 |
// we can read/write CertificateVerify and Finished messages, |
|
491 |
// getting assurance against some particular active attacks. |
|
492 |
Set<String> localSupportedHashAlgorithms = |
|
493 |
SignatureAndHashAlgorithm.getHashAlgorithmNames( |
|
494 |
getLocalSupportedSignAlgs()); |
|
495 |
handshakeHash = new HandshakeHash(!isClient, needCertVerify, |
|
496 |
localSupportedHashAlgorithms); |
|
497 |
||
498 |
// Generate handshake input/output stream. |
|
2 | 499 |
input = new HandshakeInStream(handshakeHash); |
500 |
if (conn != null) { |
|
501 |
output = new HandshakeOutStream(protocolVersion, helloVersion, |
|
502 |
handshakeHash, conn); |
|
7043 | 503 |
conn.getAppInputStream().r.setHandshakeHash(handshakeHash); |
2 | 504 |
conn.getAppInputStream().r.setHelloVersion(helloVersion); |
7039 | 505 |
conn.getAppOutputStream().r.setHelloVersion(helloVersion); |
2 | 506 |
} else { |
507 |
output = new HandshakeOutStream(protocolVersion, helloVersion, |
|
508 |
handshakeHash, engine); |
|
7043 | 509 |
engine.inputRecord.setHandshakeHash(handshakeHash); |
7039 | 510 |
engine.inputRecord.setHelloVersion(helloVersion); |
2 | 511 |
engine.outputRecord.setHelloVersion(helloVersion); |
512 |
} |
|
513 |
||
7039 | 514 |
// move state to activated |
515 |
state = -1; |
|
2 | 516 |
} |
517 |
||
518 |
/** |
|
519 |
* Set cipherSuite and keyExchange to the given CipherSuite. |
|
520 |
* Does not perform any verification that this is a valid selection, |
|
521 |
* this must be done before calling this method. |
|
522 |
*/ |
|
523 |
void setCipherSuite(CipherSuite s) { |
|
524 |
this.cipherSuite = s; |
|
525 |
this.keyExchange = s.keyExchange; |
|
526 |
} |
|
527 |
||
528 |
/** |
|
529 |
* Check if the given ciphersuite is enabled and available. |
|
530 |
* Does not check if the required server certificates are available. |
|
531 |
*/ |
|
6856 | 532 |
boolean isNegotiable(CipherSuite s) { |
7039 | 533 |
if (activeCipherSuites == null) { |
534 |
activeCipherSuites = getActiveCipherSuites(); |
|
535 |
} |
|
536 |
||
537 |
return activeCipherSuites.contains(s) && s.isNegotiable(); |
|
538 |
} |
|
539 |
||
540 |
/** |
|
541 |
* Check if the given protocol version is enabled and available. |
|
542 |
*/ |
|
543 |
boolean isNegotiable(ProtocolVersion protocolVersion) { |
|
544 |
if (activeProtocols == null) { |
|
545 |
activeProtocols = getActiveProtocols(); |
|
546 |
} |
|
547 |
||
548 |
return activeProtocols.contains(protocolVersion); |
|
549 |
} |
|
550 |
||
551 |
/** |
|
552 |
* Select a protocol version from the list. Called from |
|
553 |
* ServerHandshaker to negotiate protocol version. |
|
554 |
* |
|
555 |
* Return the lower of the protocol version suggested in the |
|
556 |
* clien hello and the highest supported by the server. |
|
557 |
*/ |
|
558 |
ProtocolVersion selectProtocolVersion(ProtocolVersion protocolVersion) { |
|
559 |
if (activeProtocols == null) { |
|
560 |
activeProtocols = getActiveProtocols(); |
|
561 |
} |
|
562 |
||
563 |
return activeProtocols.selectProtocolVersion(protocolVersion); |
|
2 | 564 |
} |
565 |
||
566 |
/** |
|
7039 | 567 |
* Get the active cipher suites. |
568 |
* |
|
569 |
* In TLS 1.1, many weak or vulnerable cipher suites were obsoleted, |
|
570 |
* such as TLS_RSA_EXPORT_WITH_RC4_40_MD5. The implementation MUST NOT |
|
571 |
* negotiate these cipher suites in TLS 1.1 or later mode. |
|
572 |
* |
|
573 |
* Therefore, when the active protocols only include TLS 1.1 or later, |
|
574 |
* the client cannot request to negotiate those obsoleted cipher |
|
7043 | 575 |
* suites. That is, the obsoleted suites should not be included in the |
7039 | 576 |
* client hello. So we need to create a subset of the enabled cipher |
577 |
* suites, the active cipher suites, which does not contain obsoleted |
|
578 |
* cipher suites of the minimum active protocol. |
|
579 |
* |
|
580 |
* Return empty list instead of null if no active cipher suites. |
|
581 |
*/ |
|
582 |
CipherSuiteList getActiveCipherSuites() { |
|
583 |
if (activeCipherSuites == null) { |
|
584 |
if (activeProtocols == null) { |
|
585 |
activeProtocols = getActiveProtocols(); |
|
586 |
} |
|
587 |
||
7990 | 588 |
ArrayList<CipherSuite> suites = new ArrayList<>(); |
7039 | 589 |
if (!(activeProtocols.collection().isEmpty()) && |
590 |
activeProtocols.min.v != ProtocolVersion.NONE.v) { |
|
591 |
for (CipherSuite suite : enabledCipherSuites.collection()) { |
|
7043 | 592 |
if (suite.obsoleted > activeProtocols.min.v && |
593 |
suite.supported <= activeProtocols.max.v) { |
|
594 |
if (algorithmConstraints.permits( |
|
595 |
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), |
|
596 |
suite.name, null)) { |
|
597 |
suites.add(suite); |
|
598 |
} |
|
599 |
} else if (debug != null && Debug.isOn("verbose")) { |
|
600 |
if (suite.obsoleted <= activeProtocols.min.v) { |
|
601 |
System.out.println( |
|
602 |
"Ignoring obsoleted cipher suite: " + suite); |
|
603 |
} else { |
|
604 |
System.out.println( |
|
605 |
"Ignoring unsupported cipher suite: " + suite); |
|
606 |
} |
|
7039 | 607 |
} |
608 |
} |
|
609 |
} |
|
610 |
activeCipherSuites = new CipherSuiteList(suites); |
|
611 |
} |
|
612 |
||
613 |
return activeCipherSuites; |
|
614 |
} |
|
615 |
||
616 |
/* |
|
617 |
* Get the active protocol versions. |
|
618 |
* |
|
619 |
* In TLS 1.1, many weak or vulnerable cipher suites were obsoleted, |
|
620 |
* such as TLS_RSA_EXPORT_WITH_RC4_40_MD5. The implementation MUST NOT |
|
621 |
* negotiate these cipher suites in TLS 1.1 or later mode. |
|
622 |
* |
|
623 |
* For example, if "TLS_RSA_EXPORT_WITH_RC4_40_MD5" is the |
|
624 |
* only enabled cipher suite, the client cannot request TLS 1.1 or |
|
625 |
* later, even though TLS 1.1 or later is enabled. We need to create a |
|
626 |
* subset of the enabled protocols, called the active protocols, which |
|
627 |
* contains protocols appropriate to the list of enabled Ciphersuites. |
|
628 |
* |
|
629 |
* Return empty list instead of null if no active protocol versions. |
|
630 |
*/ |
|
631 |
ProtocolList getActiveProtocols() { |
|
632 |
if (activeProtocols == null) { |
|
7990 | 633 |
ArrayList<ProtocolVersion> protocols = new ArrayList<>(4); |
7039 | 634 |
for (ProtocolVersion protocol : enabledProtocols.collection()) { |
635 |
boolean found = false; |
|
636 |
for (CipherSuite suite : enabledCipherSuites.collection()) { |
|
7043 | 637 |
if (suite.isAvailable() && suite.obsoleted > protocol.v && |
638 |
suite.supported <= protocol.v) { |
|
639 |
if (algorithmConstraints.permits( |
|
640 |
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), |
|
641 |
suite.name, null)) { |
|
642 |
protocols.add(protocol); |
|
643 |
found = true; |
|
644 |
break; |
|
645 |
} else if (debug != null && Debug.isOn("verbose")) { |
|
646 |
System.out.println( |
|
647 |
"Ignoring disabled cipher suite: " + suite + |
|
648 |
" for " + protocol); |
|
649 |
} |
|
650 |
} else if (debug != null && Debug.isOn("verbose")) { |
|
651 |
System.out.println( |
|
652 |
"Ignoring unsupported cipher suite: " + suite + |
|
653 |
" for " + protocol); |
|
7039 | 654 |
} |
655 |
} |
|
656 |
if (!found && (debug != null) && Debug.isOn("handshake")) { |
|
657 |
System.out.println( |
|
658 |
"No available cipher suite for " + protocol); |
|
659 |
} |
|
660 |
} |
|
661 |
activeProtocols = new ProtocolList(protocols); |
|
662 |
} |
|
663 |
||
664 |
return activeProtocols; |
|
665 |
} |
|
666 |
||
667 |
/** |
|
668 |
* As long as handshaking has not activated, we can |
|
2 | 669 |
* change whether session creations are allowed. |
670 |
* |
|
671 |
* Callers should do their own checking if handshaking |
|
7039 | 672 |
* has activated. |
2 | 673 |
*/ |
674 |
void setEnableSessionCreation(boolean newSessions) { |
|
675 |
enableNewSession = newSessions; |
|
676 |
} |
|
677 |
||
678 |
/** |
|
679 |
* Create a new read cipher and return it to caller. |
|
680 |
*/ |
|
681 |
CipherBox newReadCipher() throws NoSuchAlgorithmException { |
|
682 |
BulkCipher cipher = cipherSuite.cipher; |
|
683 |
CipherBox box; |
|
684 |
if (isClient) { |
|
685 |
box = cipher.newCipher(protocolVersion, svrWriteKey, svrWriteIV, |
|
7039 | 686 |
sslContext.getSecureRandom(), false); |
2 | 687 |
svrWriteKey = null; |
688 |
svrWriteIV = null; |
|
689 |
} else { |
|
690 |
box = cipher.newCipher(protocolVersion, clntWriteKey, clntWriteIV, |
|
7039 | 691 |
sslContext.getSecureRandom(), false); |
2 | 692 |
clntWriteKey = null; |
693 |
clntWriteIV = null; |
|
694 |
} |
|
695 |
return box; |
|
696 |
} |
|
697 |
||
698 |
/** |
|
699 |
* Create a new write cipher and return it to caller. |
|
700 |
*/ |
|
701 |
CipherBox newWriteCipher() throws NoSuchAlgorithmException { |
|
702 |
BulkCipher cipher = cipherSuite.cipher; |
|
703 |
CipherBox box; |
|
704 |
if (isClient) { |
|
705 |
box = cipher.newCipher(protocolVersion, clntWriteKey, clntWriteIV, |
|
7039 | 706 |
sslContext.getSecureRandom(), true); |
2 | 707 |
clntWriteKey = null; |
708 |
clntWriteIV = null; |
|
709 |
} else { |
|
710 |
box = cipher.newCipher(protocolVersion, svrWriteKey, svrWriteIV, |
|
7039 | 711 |
sslContext.getSecureRandom(), true); |
2 | 712 |
svrWriteKey = null; |
713 |
svrWriteIV = null; |
|
714 |
} |
|
715 |
return box; |
|
716 |
} |
|
717 |
||
718 |
/** |
|
719 |
* Create a new read MAC and return it to caller. |
|
720 |
*/ |
|
721 |
MAC newReadMAC() throws NoSuchAlgorithmException, InvalidKeyException { |
|
722 |
MacAlg macAlg = cipherSuite.macAlg; |
|
723 |
MAC mac; |
|
724 |
if (isClient) { |
|
725 |
mac = macAlg.newMac(protocolVersion, svrMacSecret); |
|
726 |
svrMacSecret = null; |
|
727 |
} else { |
|
728 |
mac = macAlg.newMac(protocolVersion, clntMacSecret); |
|
729 |
clntMacSecret = null; |
|
730 |
} |
|
731 |
return mac; |
|
732 |
} |
|
733 |
||
734 |
/** |
|
735 |
* Create a new write MAC and return it to caller. |
|
736 |
*/ |
|
737 |
MAC newWriteMAC() throws NoSuchAlgorithmException, InvalidKeyException { |
|
738 |
MacAlg macAlg = cipherSuite.macAlg; |
|
739 |
MAC mac; |
|
740 |
if (isClient) { |
|
741 |
mac = macAlg.newMac(protocolVersion, clntMacSecret); |
|
742 |
clntMacSecret = null; |
|
743 |
} else { |
|
744 |
mac = macAlg.newMac(protocolVersion, svrMacSecret); |
|
745 |
svrMacSecret = null; |
|
746 |
} |
|
747 |
return mac; |
|
748 |
} |
|
749 |
||
750 |
/* |
|
751 |
* Returns true iff the handshake sequence is done, so that |
|
752 |
* this freshly created session can become the current one. |
|
753 |
*/ |
|
754 |
boolean isDone() { |
|
755 |
return state == HandshakeMessage.ht_finished; |
|
756 |
} |
|
757 |
||
758 |
||
759 |
/* |
|
760 |
* Returns the session which was created through this |
|
761 |
* handshake sequence ... should be called after isDone() |
|
762 |
* returns true. |
|
763 |
*/ |
|
764 |
SSLSessionImpl getSession() { |
|
765 |
return session; |
|
766 |
} |
|
767 |
||
768 |
/* |
|
7043 | 769 |
* Set the handshake session |
770 |
*/ |
|
771 |
void setHandshakeSessionSE(SSLSessionImpl handshakeSession) { |
|
772 |
if (conn != null) { |
|
773 |
conn.setHandshakeSession(handshakeSession); |
|
774 |
} else { |
|
775 |
engine.setHandshakeSession(handshakeSession); |
|
776 |
} |
|
777 |
} |
|
778 |
||
779 |
/* |
|
6856 | 780 |
* Returns true if renegotiation is in use for this connection. |
781 |
*/ |
|
782 |
boolean isSecureRenegotiation() { |
|
783 |
return secureRenegotiation; |
|
784 |
} |
|
785 |
||
786 |
/* |
|
787 |
* Returns the verify_data from the Finished message sent by the client. |
|
788 |
*/ |
|
789 |
byte[] getClientVerifyData() { |
|
790 |
return clientVerifyData; |
|
791 |
} |
|
792 |
||
793 |
/* |
|
794 |
* Returns the verify_data from the Finished message sent by the server. |
|
795 |
*/ |
|
796 |
byte[] getServerVerifyData() { |
|
797 |
return serverVerifyData; |
|
798 |
} |
|
799 |
||
800 |
/* |
|
2 | 801 |
* This routine is fed SSL handshake records when they become available, |
802 |
* and processes messages found therein. |
|
803 |
*/ |
|
804 |
void process_record(InputRecord r, boolean expectingFinished) |
|
805 |
throws IOException { |
|
806 |
||
807 |
checkThrown(); |
|
808 |
||
809 |
/* |
|
810 |
* Store the incoming handshake data, then see if we can |
|
811 |
* now process any completed handshake messages |
|
812 |
*/ |
|
813 |
input.incomingRecord(r); |
|
814 |
||
815 |
/* |
|
816 |
* We don't need to create a separate delegatable task |
|
817 |
* for finished messages. |
|
818 |
*/ |
|
819 |
if ((conn != null) || expectingFinished) { |
|
820 |
processLoop(); |
|
821 |
} else { |
|
822 |
delegateTask(new PrivilegedExceptionAction<Void>() { |
|
14664
e71aa0962e70
8003950: Adds missing Override annotations and removes unnecessary imports in sun.security.ssl
xuelei
parents:
14229
diff
changeset
|
823 |
@Override |
2 | 824 |
public Void run() throws Exception { |
825 |
processLoop(); |
|
826 |
return null; |
|
827 |
} |
|
828 |
}); |
|
829 |
} |
|
830 |
} |
|
831 |
||
832 |
/* |
|
833 |
* On input, we hash messages one at a time since servers may need |
|
834 |
* to access an intermediate hash to validate a CertificateVerify |
|
835 |
* message. |
|
836 |
* |
|
837 |
* Note that many handshake messages can come in one record (and often |
|
838 |
* do, to reduce network resource utilization), and one message can also |
|
839 |
* require multiple records (e.g. very large Certificate messages). |
|
840 |
*/ |
|
841 |
void processLoop() throws IOException { |
|
842 |
||
5182 | 843 |
// need to read off 4 bytes at least to get the handshake |
844 |
// message type and length. |
|
845 |
while (input.available() >= 4) { |
|
2 | 846 |
byte messageType; |
847 |
int messageLen; |
|
848 |
||
849 |
/* |
|
850 |
* See if we can read the handshake message header, and |
|
851 |
* then the entire handshake message. If not, wait till |
|
852 |
* we can read and process an entire message. |
|
853 |
*/ |
|
854 |
input.mark(4); |
|
855 |
||
856 |
messageType = (byte)input.getInt8(); |
|
857 |
messageLen = input.getInt24(); |
|
858 |
||
859 |
if (input.available() < messageLen) { |
|
860 |
input.reset(); |
|
861 |
return; |
|
862 |
} |
|
863 |
||
864 |
/* |
|
865 |
* Process the messsage. We require |
|
866 |
* that processMessage() consumes the entire message. In |
|
867 |
* lieu of explicit error checks (how?!) we assume that the |
|
868 |
* data will look like garbage on encoding/processing errors, |
|
869 |
* and that other protocol code will detect such errors. |
|
870 |
* |
|
871 |
* Note that digesting is normally deferred till after the |
|
872 |
* message has been processed, though to process at least the |
|
873 |
* client's Finished message (i.e. send the server's) we need |
|
874 |
* to acccelerate that digesting. |
|
875 |
* |
|
876 |
* Also, note that hello request messages are never hashed; |
|
877 |
* that includes the hello request header, too. |
|
878 |
*/ |
|
879 |
if (messageType == HandshakeMessage.ht_hello_request) { |
|
880 |
input.reset(); |
|
881 |
processMessage(messageType, messageLen); |
|
882 |
input.ignore(4 + messageLen); |
|
883 |
} else { |
|
884 |
input.mark(messageLen); |
|
885 |
processMessage(messageType, messageLen); |
|
886 |
input.digestNow(); |
|
887 |
} |
|
888 |
} |
|
889 |
} |
|
890 |
||
891 |
||
892 |
/** |
|
7039 | 893 |
* Returns true iff the handshaker has been activated. |
894 |
* |
|
895 |
* In activated state, the handshaker may not send any messages out. |
|
896 |
*/ |
|
897 |
boolean activated() { |
|
898 |
return state >= -1; |
|
899 |
} |
|
900 |
||
901 |
/** |
|
2 | 902 |
* Returns true iff the handshaker has sent any messages. |
903 |
*/ |
|
904 |
boolean started() { |
|
7039 | 905 |
return state >= 0; // 0: HandshakeMessage.ht_hello_request |
7043 | 906 |
// 1: HandshakeMessage.ht_client_hello |
2 | 907 |
} |
908 |
||
909 |
||
910 |
/* |
|
911 |
* Used to kickstart the negotiation ... either writing a |
|
912 |
* ClientHello or a HelloRequest as appropriate, whichever |
|
913 |
* the subclass returns. NOP if handshaking's already started. |
|
914 |
*/ |
|
915 |
void kickstart() throws IOException { |
|
916 |
if (state >= 0) { |
|
917 |
return; |
|
918 |
} |
|
7039 | 919 |
|
2 | 920 |
HandshakeMessage m = getKickstartMessage(); |
921 |
||
922 |
if (debug != null && Debug.isOn("handshake")) { |
|
923 |
m.print(System.out); |
|
924 |
} |
|
925 |
m.write(output); |
|
926 |
output.flush(); |
|
927 |
||
928 |
state = m.messageType(); |
|
929 |
} |
|
930 |
||
931 |
/** |
|
932 |
* Both client and server modes can start handshaking; but the |
|
933 |
* message they send to do so is different. |
|
934 |
*/ |
|
935 |
abstract HandshakeMessage getKickstartMessage() throws SSLException; |
|
936 |
||
937 |
/* |
|
938 |
* Client and Server side protocols are each driven though this |
|
939 |
* call, which processes a single message and drives the appropriate |
|
940 |
* side of the protocol state machine (depending on the subclass). |
|
941 |
*/ |
|
942 |
abstract void processMessage(byte messageType, int messageLen) |
|
943 |
throws IOException; |
|
944 |
||
945 |
/* |
|
946 |
* Most alerts in the protocol relate to handshaking problems. |
|
947 |
* Alerts are detected as the connection reads data. |
|
948 |
*/ |
|
949 |
abstract void handshakeAlert(byte description) throws SSLProtocolException; |
|
950 |
||
951 |
/* |
|
952 |
* Sends a change cipher spec message and updates the write side |
|
953 |
* cipher state so that future messages use the just-negotiated spec. |
|
954 |
*/ |
|
955 |
void sendChangeCipherSpec(Finished mesg, boolean lastMessage) |
|
956 |
throws IOException { |
|
957 |
||
958 |
output.flush(); // i.e. handshake data |
|
959 |
||
960 |
/* |
|
961 |
* The write cipher state is protected by the connection write lock |
|
962 |
* so we must grab it while making the change. We also |
|
963 |
* make sure no writes occur between sending the ChangeCipherSpec |
|
964 |
* message, installing the new cipher state, and sending the |
|
965 |
* Finished message. |
|
966 |
* |
|
967 |
* We already hold SSLEngine/SSLSocket "this" by virtue |
|
968 |
* of this being called from the readRecord code. |
|
969 |
*/ |
|
970 |
OutputRecord r; |
|
971 |
if (conn != null) { |
|
972 |
r = new OutputRecord(Record.ct_change_cipher_spec); |
|
973 |
} else { |
|
974 |
r = new EngineOutputRecord(Record.ct_change_cipher_spec, engine); |
|
975 |
} |
|
976 |
||
977 |
r.setVersion(protocolVersion); |
|
978 |
r.write(1); // single byte of data |
|
979 |
||
980 |
if (conn != null) { |
|
100
01ef29ca378f
6447412: Issue with socket.close() for ssl sockets when poweroff on other system
xuelei
parents:
2
diff
changeset
|
981 |
conn.writeLock.lock(); |
01ef29ca378f
6447412: Issue with socket.close() for ssl sockets when poweroff on other system
xuelei
parents:
2
diff
changeset
|
982 |
try { |
2 | 983 |
conn.writeRecord(r); |
984 |
conn.changeWriteCiphers(); |
|
985 |
if (debug != null && Debug.isOn("handshake")) { |
|
986 |
mesg.print(System.out); |
|
987 |
} |
|
988 |
mesg.write(output); |
|
989 |
output.flush(); |
|
100
01ef29ca378f
6447412: Issue with socket.close() for ssl sockets when poweroff on other system
xuelei
parents:
2
diff
changeset
|
990 |
} finally { |
01ef29ca378f
6447412: Issue with socket.close() for ssl sockets when poweroff on other system
xuelei
parents:
2
diff
changeset
|
991 |
conn.writeLock.unlock(); |
2 | 992 |
} |
993 |
} else { |
|
994 |
synchronized (engine.writeLock) { |
|
995 |
engine.writeRecord((EngineOutputRecord)r); |
|
996 |
engine.changeWriteCiphers(); |
|
997 |
if (debug != null && Debug.isOn("handshake")) { |
|
998 |
mesg.print(System.out); |
|
999 |
} |
|
1000 |
mesg.write(output); |
|
1001 |
||
1002 |
if (lastMessage) { |
|
1003 |
output.setFinishedMsg(); |
|
1004 |
} |
|
1005 |
output.flush(); |
|
1006 |
} |
|
1007 |
} |
|
1008 |
} |
|
1009 |
||
1010 |
/* |
|
1011 |
* Single access point to key calculation logic. Given the |
|
1012 |
* pre-master secret and the nonces from client and server, |
|
1013 |
* produce all the keying material to be used. |
|
1014 |
*/ |
|
1015 |
void calculateKeys(SecretKey preMasterSecret, ProtocolVersion version) { |
|
1016 |
SecretKey master = calculateMasterSecret(preMasterSecret, version); |
|
1017 |
session.setMasterSecret(master); |
|
1018 |
calculateConnectionKeys(master); |
|
1019 |
} |
|
1020 |
||
1021 |
||
1022 |
/* |
|
1023 |
* Calculate the master secret from its various components. This is |
|
1024 |
* used for key exchange by all cipher suites. |
|
1025 |
* |
|
1026 |
* The master secret is the catenation of three MD5 hashes, each |
|
1027 |
* consisting of the pre-master secret and a SHA1 hash. Those three |
|
1028 |
* SHA1 hashes are of (different) constant strings, the pre-master |
|
1029 |
* secret, and the nonces provided by the client and the server. |
|
1030 |
*/ |
|
1031 |
private SecretKey calculateMasterSecret(SecretKey preMasterSecret, |
|
1032 |
ProtocolVersion requestedVersion) { |
|
7039 | 1033 |
|
2 | 1034 |
if (debug != null && Debug.isOn("keygen")) { |
1035 |
HexDumpEncoder dump = new HexDumpEncoder(); |
|
1036 |
||
1037 |
System.out.println("SESSION KEYGEN:"); |
|
1038 |
||
1039 |
System.out.println("PreMaster Secret:"); |
|
1040 |
printHex(dump, preMasterSecret.getEncoded()); |
|
1041 |
||
1042 |
// Nonces are dumped with connection keygen, no |
|
1043 |
// benefit to doing it twice |
|
1044 |
} |
|
1045 |
||
7043 | 1046 |
// What algs/params do we need to use? |
1047 |
String masterAlg; |
|
1048 |
PRF prf; |
|
1049 |
||
1050 |
if (protocolVersion.v >= ProtocolVersion.TLS12.v) { |
|
1051 |
masterAlg = "SunTls12MasterSecret"; |
|
1052 |
prf = cipherSuite.prfAlg; |
|
1053 |
} else { |
|
1054 |
masterAlg = "SunTlsMasterSecret"; |
|
1055 |
prf = P_NONE; |
|
1056 |
} |
|
1057 |
||
1058 |
String prfHashAlg = prf.getPRFHashAlg(); |
|
1059 |
int prfHashLength = prf.getPRFHashLength(); |
|
1060 |
int prfBlockSize = prf.getPRFBlockSize(); |
|
1061 |
||
1062 |
TlsMasterSecretParameterSpec spec = new TlsMasterSecretParameterSpec( |
|
1063 |
preMasterSecret, protocolVersion.major, protocolVersion.minor, |
|
1064 |
clnt_random.random_bytes, svr_random.random_bytes, |
|
1065 |
prfHashAlg, prfHashLength, prfBlockSize); |
|
1066 |
||
2 | 1067 |
SecretKey masterSecret; |
1068 |
try { |
|
7043 | 1069 |
KeyGenerator kg = JsseJce.getKeyGenerator(masterAlg); |
2 | 1070 |
kg.init(spec); |
1071 |
masterSecret = kg.generateKey(); |
|
1072 |
} catch (GeneralSecurityException e) { |
|
1073 |
// For RSA premaster secrets, do not signal a protocol error |
|
1074 |
// due to the Bleichenbacher attack. See comments further down. |
|
7043 | 1075 |
if (!preMasterSecret.getAlgorithm().equals( |
1076 |
"TlsRsaPremasterSecret")) { |
|
2 | 1077 |
throw new ProviderException(e); |
1078 |
} |
|
7039 | 1079 |
|
2 | 1080 |
if (debug != null && Debug.isOn("handshake")) { |
1081 |
System.out.println("RSA master secret generation error:"); |
|
1082 |
e.printStackTrace(System.out); |
|
1083 |
} |
|
7039 | 1084 |
|
1085 |
if (requestedVersion != null) { |
|
1086 |
preMasterSecret = |
|
1087 |
RSAClientKeyExchange.generateDummySecret(requestedVersion); |
|
1088 |
} else { |
|
1089 |
preMasterSecret = |
|
1090 |
RSAClientKeyExchange.generateDummySecret(protocolVersion); |
|
1091 |
} |
|
1092 |
||
2 | 1093 |
// recursive call with new premaster secret |
1094 |
return calculateMasterSecret(preMasterSecret, null); |
|
1095 |
} |
|
1096 |
||
7039 | 1097 |
// if no version check requested (client side handshake), or version |
1098 |
// information is not available (not an RSA premaster secret), |
|
2 | 1099 |
// return master secret immediately. |
7039 | 1100 |
if ((requestedVersion == null) || |
1101 |
!(masterSecret instanceof TlsMasterSecret)) { |
|
2 | 1102 |
return masterSecret; |
1103 |
} |
|
7039 | 1104 |
|
1105 |
// we have checked the ClientKeyExchange message when reading TLS |
|
1106 |
// record, the following check is necessary to ensure that |
|
1107 |
// JCE provider does not ignore the checking, or the previous |
|
1108 |
// checking process bypassed the premaster secret version checking. |
|
2 | 1109 |
TlsMasterSecret tlsKey = (TlsMasterSecret)masterSecret; |
1110 |
int major = tlsKey.getMajorVersion(); |
|
1111 |
int minor = tlsKey.getMinorVersion(); |
|
1112 |
if ((major < 0) || (minor < 0)) { |
|
1113 |
return masterSecret; |
|
1114 |
} |
|
1115 |
||
1116 |
// check if the premaster secret version is ok |
|
1117 |
// the specification says that it must be the maximum version supported |
|
1118 |
// by the client from its ClientHello message. However, many |
|
1119 |
// implementations send the negotiated version, so accept both |
|
7039 | 1120 |
// for SSL v3.0 and TLS v1.0. |
1121 |
// NOTE that we may be comparing two unsupported version numbers, which |
|
1122 |
// is why we cannot use object reference equality in this special case. |
|
1123 |
ProtocolVersion premasterVersion = |
|
1124 |
ProtocolVersion.valueOf(major, minor); |
|
1125 |
boolean versionMismatch = (premasterVersion.v != requestedVersion.v); |
|
2 | 1126 |
|
7039 | 1127 |
/* |
1128 |
* we never checked the client_version in server side |
|
1129 |
* for TLS v1.0 and SSL v3.0. For compatibility, we |
|
1130 |
* maintain this behavior. |
|
1131 |
*/ |
|
1132 |
if (versionMismatch && requestedVersion.v <= ProtocolVersion.TLS10.v) { |
|
1133 |
versionMismatch = (premasterVersion.v != protocolVersion.v); |
|
1134 |
} |
|
2 | 1135 |
|
1136 |
if (versionMismatch == false) { |
|
1137 |
// check passed, return key |
|
1138 |
return masterSecret; |
|
1139 |
} |
|
1140 |
||
1141 |
// Due to the Bleichenbacher attack, do not signal a protocol error. |
|
1142 |
// Generate a random premaster secret and continue with the handshake, |
|
1143 |
// which will fail when verifying the finished messages. |
|
1144 |
// For more information, see comments in PreMasterSecret. |
|
1145 |
if (debug != null && Debug.isOn("handshake")) { |
|
1146 |
System.out.println("RSA PreMasterSecret version error: expected" |
|
1147 |
+ protocolVersion + " or " + requestedVersion + ", decrypted: " |
|
1148 |
+ premasterVersion); |
|
1149 |
} |
|
7039 | 1150 |
preMasterSecret = |
1151 |
RSAClientKeyExchange.generateDummySecret(requestedVersion); |
|
1152 |
||
2 | 1153 |
// recursive call with new premaster secret |
1154 |
return calculateMasterSecret(preMasterSecret, null); |
|
1155 |
} |
|
1156 |
||
1157 |
/* |
|
1158 |
* Calculate the keys needed for this connection, once the session's |
|
1159 |
* master secret has been calculated. Uses the master key and nonces; |
|
1160 |
* the amount of keying material generated is a function of the cipher |
|
1161 |
* suite that's been negotiated. |
|
1162 |
* |
|
1163 |
* This gets called both on the "full handshake" (where we exchanged |
|
1164 |
* a premaster secret and started a new session) as well as on the |
|
1165 |
* "fast handshake" (where we just resumed a pre-existing session). |
|
1166 |
*/ |
|
1167 |
void calculateConnectionKeys(SecretKey masterKey) { |
|
1168 |
/* |
|
1169 |
* For both the read and write sides of the protocol, we use the |
|
1170 |
* master to generate MAC secrets and cipher keying material. Block |
|
1171 |
* ciphers need initialization vectors, which we also generate. |
|
1172 |
* |
|
1173 |
* First we figure out how much keying material is needed. |
|
1174 |
*/ |
|
1175 |
int hashSize = cipherSuite.macAlg.size; |
|
1176 |
boolean is_exportable = cipherSuite.exportable; |
|
1177 |
BulkCipher cipher = cipherSuite.cipher; |
|
1178 |
int expandedKeySize = is_exportable ? cipher.expandedKeySize : 0; |
|
1179 |
||
7043 | 1180 |
// Which algs/params do we need to use? |
1181 |
String keyMaterialAlg; |
|
1182 |
PRF prf; |
|
1183 |
||
1184 |
if (protocolVersion.v >= ProtocolVersion.TLS12.v) { |
|
1185 |
keyMaterialAlg = "SunTls12KeyMaterial"; |
|
1186 |
prf = cipherSuite.prfAlg; |
|
1187 |
} else { |
|
1188 |
keyMaterialAlg = "SunTlsKeyMaterial"; |
|
1189 |
prf = P_NONE; |
|
1190 |
} |
|
1191 |
||
1192 |
String prfHashAlg = prf.getPRFHashAlg(); |
|
1193 |
int prfHashLength = prf.getPRFHashLength(); |
|
1194 |
int prfBlockSize = prf.getPRFBlockSize(); |
|
1195 |
||
1196 |
TlsKeyMaterialParameterSpec spec = new TlsKeyMaterialParameterSpec( |
|
1197 |
masterKey, protocolVersion.major, protocolVersion.minor, |
|
2 | 1198 |
clnt_random.random_bytes, svr_random.random_bytes, |
1199 |
cipher.algorithm, cipher.keySize, expandedKeySize, |
|
7043 | 1200 |
cipher.ivSize, hashSize, |
1201 |
prfHashAlg, prfHashLength, prfBlockSize); |
|
2 | 1202 |
|
1203 |
try { |
|
7043 | 1204 |
KeyGenerator kg = JsseJce.getKeyGenerator(keyMaterialAlg); |
2 | 1205 |
kg.init(spec); |
1206 |
TlsKeyMaterialSpec keySpec = (TlsKeyMaterialSpec)kg.generateKey(); |
|
1207 |
||
1208 |
clntWriteKey = keySpec.getClientCipherKey(); |
|
1209 |
svrWriteKey = keySpec.getServerCipherKey(); |
|
1210 |
||
7039 | 1211 |
// Return null if IVs are not supposed to be generated. |
1212 |
// e.g. TLS 1.1+. |
|
2 | 1213 |
clntWriteIV = keySpec.getClientIv(); |
1214 |
svrWriteIV = keySpec.getServerIv(); |
|
1215 |
||
1216 |
clntMacSecret = keySpec.getClientMacKey(); |
|
1217 |
svrMacSecret = keySpec.getServerMacKey(); |
|
1218 |
} catch (GeneralSecurityException e) { |
|
1219 |
throw new ProviderException(e); |
|
1220 |
} |
|
1221 |
||
1222 |
// |
|
1223 |
// Dump the connection keys as they're generated. |
|
1224 |
// |
|
1225 |
if (debug != null && Debug.isOn("keygen")) { |
|
1226 |
synchronized (System.out) { |
|
1227 |
HexDumpEncoder dump = new HexDumpEncoder(); |
|
1228 |
||
1229 |
System.out.println("CONNECTION KEYGEN:"); |
|
1230 |
||
1231 |
// Inputs: |
|
1232 |
System.out.println("Client Nonce:"); |
|
1233 |
printHex(dump, clnt_random.random_bytes); |
|
1234 |
System.out.println("Server Nonce:"); |
|
1235 |
printHex(dump, svr_random.random_bytes); |
|
1236 |
System.out.println("Master Secret:"); |
|
1237 |
printHex(dump, masterKey.getEncoded()); |
|
1238 |
||
1239 |
// Outputs: |
|
1240 |
System.out.println("Client MAC write Secret:"); |
|
1241 |
printHex(dump, clntMacSecret.getEncoded()); |
|
1242 |
System.out.println("Server MAC write Secret:"); |
|
1243 |
printHex(dump, svrMacSecret.getEncoded()); |
|
1244 |
||
1245 |
if (clntWriteKey != null) { |
|
1246 |
System.out.println("Client write key:"); |
|
1247 |
printHex(dump, clntWriteKey.getEncoded()); |
|
1248 |
System.out.println("Server write key:"); |
|
1249 |
printHex(dump, svrWriteKey.getEncoded()); |
|
1250 |
} else { |
|
1251 |
System.out.println("... no encryption keys used"); |
|
1252 |
} |
|
1253 |
||
1254 |
if (clntWriteIV != null) { |
|
1255 |
System.out.println("Client write IV:"); |
|
1256 |
printHex(dump, clntWriteIV.getIV()); |
|
1257 |
System.out.println("Server write IV:"); |
|
1258 |
printHex(dump, svrWriteIV.getIV()); |
|
1259 |
} else { |
|
7039 | 1260 |
if (protocolVersion.v >= ProtocolVersion.TLS11.v) { |
1261 |
System.out.println( |
|
1262 |
"... no IV derived for this protocol"); |
|
1263 |
} else { |
|
1264 |
System.out.println("... no IV used for this cipher"); |
|
1265 |
} |
|
2 | 1266 |
} |
1267 |
System.out.flush(); |
|
1268 |
} |
|
1269 |
} |
|
1270 |
} |
|
1271 |
||
1272 |
private static void printHex(HexDumpEncoder dump, byte[] bytes) { |
|
1273 |
if (bytes == null) { |
|
1274 |
System.out.println("(key bytes not available)"); |
|
1275 |
} else { |
|
1276 |
try { |
|
1277 |
dump.encodeBuffer(bytes, System.out); |
|
1278 |
} catch (IOException e) { |
|
1279 |
// just for debugging, ignore this |
|
1280 |
} |
|
1281 |
} |
|
1282 |
} |
|
1283 |
||
1284 |
/** |
|
1285 |
* Throw an SSLException with the specified message and cause. |
|
1286 |
* Shorthand until a new SSLException constructor is added. |
|
1287 |
* This method never returns. |
|
1288 |
*/ |
|
1289 |
static void throwSSLException(String msg, Throwable cause) |
|
1290 |
throws SSLException { |
|
1291 |
SSLException e = new SSLException(msg); |
|
1292 |
e.initCause(cause); |
|
1293 |
throw e; |
|
1294 |
} |
|
1295 |
||
1296 |
||
1297 |
/* |
|
1298 |
* Implement a simple task delegator. |
|
1299 |
* |
|
1300 |
* We are currently implementing this as a single delegator, may |
|
1301 |
* try for parallel tasks later. Client Authentication could |
|
1302 |
* benefit from this, where ClientKeyExchange/CertificateVerify |
|
1303 |
* could be carried out in parallel. |
|
1304 |
*/ |
|
1305 |
class DelegatedTask<E> implements Runnable { |
|
1306 |
||
1307 |
private PrivilegedExceptionAction<E> pea; |
|
1308 |
||
1309 |
DelegatedTask(PrivilegedExceptionAction<E> pea) { |
|
1310 |
this.pea = pea; |
|
1311 |
} |
|
1312 |
||
1313 |
public void run() { |
|
1314 |
synchronized (engine) { |
|
1315 |
try { |
|
1316 |
AccessController.doPrivileged(pea, engine.getAcc()); |
|
1317 |
} catch (PrivilegedActionException pae) { |
|
1318 |
thrown = pae.getException(); |
|
1319 |
} catch (RuntimeException rte) { |
|
1320 |
thrown = rte; |
|
1321 |
} |
|
1322 |
delegatedTask = null; |
|
1323 |
taskDelegated = false; |
|
1324 |
} |
|
1325 |
} |
|
1326 |
} |
|
1327 |
||
1328 |
private <T> void delegateTask(PrivilegedExceptionAction<T> pea) { |
|
1329 |
delegatedTask = new DelegatedTask<T>(pea); |
|
1330 |
taskDelegated = false; |
|
1331 |
thrown = null; |
|
1332 |
} |
|
1333 |
||
10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
9035
diff
changeset
|
1334 |
DelegatedTask<?> getTask() { |
2 | 1335 |
if (!taskDelegated) { |
1336 |
taskDelegated = true; |
|
1337 |
return delegatedTask; |
|
1338 |
} else { |
|
1339 |
return null; |
|
1340 |
} |
|
1341 |
} |
|
1342 |
||
1343 |
/* |
|
1344 |
* See if there are any tasks which need to be delegated |
|
1345 |
* |
|
1346 |
* Locked by SSLEngine.this. |
|
1347 |
*/ |
|
1348 |
boolean taskOutstanding() { |
|
1349 |
return (delegatedTask != null); |
|
1350 |
} |
|
1351 |
||
1352 |
/* |
|
1353 |
* The previous caller failed for some reason, report back the |
|
1354 |
* Exception. We won't worry about Error's. |
|
1355 |
* |
|
1356 |
* Locked by SSLEngine.this. |
|
1357 |
*/ |
|
1358 |
void checkThrown() throws SSLException { |
|
1359 |
synchronized (thrownLock) { |
|
1360 |
if (thrown != null) { |
|
1361 |
||
1362 |
String msg = thrown.getMessage(); |
|
1363 |
||
1364 |
if (msg == null) { |
|
1365 |
msg = "Delegated task threw Exception/Error"; |
|
1366 |
} |
|
1367 |
||
1368 |
/* |
|
1369 |
* See what the underlying type of exception is. We should |
|
1370 |
* throw the same thing. Chain thrown to the new exception. |
|
1371 |
*/ |
|
1372 |
Exception e = thrown; |
|
1373 |
thrown = null; |
|
1374 |
||
1375 |
if (e instanceof RuntimeException) { |
|
10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
9035
diff
changeset
|
1376 |
throw new RuntimeException(msg, e); |
2 | 1377 |
} else if (e instanceof SSLHandshakeException) { |
1378 |
throw (SSLHandshakeException) |
|
1379 |
new SSLHandshakeException(msg).initCause(e); |
|
1380 |
} else if (e instanceof SSLKeyException) { |
|
1381 |
throw (SSLKeyException) |
|
1382 |
new SSLKeyException(msg).initCause(e); |
|
1383 |
} else if (e instanceof SSLPeerUnverifiedException) { |
|
1384 |
throw (SSLPeerUnverifiedException) |
|
1385 |
new SSLPeerUnverifiedException(msg).initCause(e); |
|
1386 |
} else if (e instanceof SSLProtocolException) { |
|
1387 |
throw (SSLProtocolException) |
|
1388 |
new SSLProtocolException(msg).initCause(e); |
|
1389 |
} else { |
|
1390 |
/* |
|
1391 |
* If it's SSLException or any other Exception, |
|
1392 |
* we'll wrap it in an SSLException. |
|
1393 |
*/ |
|
10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
9035
diff
changeset
|
1394 |
throw new SSLException(msg, e); |
2 | 1395 |
} |
1396 |
} |
|
1397 |
} |
|
1398 |
} |
|
1399 |
} |